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    When checked, Proxy Tickets will be validated in addition to standard Service Tickets.
    
    <p>
    Proxy Tickets can be thought of as a secure alternative to <a href="https://wiki.jenkins-ci.org/display/JENKINS/Authenticating+scripted+clients">
    API Tokens</a> when external applications need to access Jenkins and already make use of CAS for their own authentication.
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